<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // 1
        var obj={
            uname: '张三丰',
            age: 18,
            sex: '男',
            sayHi: function(){
                console.log('hello');
            }
        }

        // 2.调用对象
        obj.sayHi()
        console.log(obj.uname);
        console.log(obj['uname']);
    </script>
</body>
</html>